Cornwall, NY 12518 solar market data
Updated August 20, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Cornwall 12518 has 150 solar installations at a median installed cost of $3.77/W, recent growth not yet measurable, and a Market Score of 50 — higher than 88% of U.S. zip markets.
Versus New York
How 12518 compares with the state
Installed cost
$0.39/W below
state median $4.16/W
Market score
50 vs 59
New York scores 59
Share of state installs
0.08%
of 187.3K tracked statewide
Battery attach
5.8%
state 2.1%
Statewide momentum
▲ 25.2%
residential solar added in New York, 12 months through Jul 2026
Statewide market
274.1K systems
6.4% of homes · utility-reported through Jul 2026
Growth & pricing
12518 by year
5 installs in the trailing twelve months vs 14 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 12518
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 25 | 0 | 9.64 | $5.00 |
| 2 | PLUGPV | 19 | 2 | 9.44 | $5.37 |
| 3 | SUNRUN | 18 | 1 | 7.82 | $2.87 |
| 4 | WILTSHIRE RENEWABLE ENERGY SYSTEMS | 15 | 0 | 9.32 | $2.45 |
| 5 | INFINITY SOLAR SYSTEMS | 11 | 1 | 8.3 | $3.25 |
| 6 | TRINITY SOLAR | 10 | 0 | 9.73 | $4.19 |
| 7 | SUNPOWER | 9 | 0 | 9.57 | $3.78 |
| 8 | LONG ISLAND POWER SOLUTIONS | 7 | 0 | 11.9 | $2.89 |
| 9 | KILOWATT SYSTEMS | 4 | 0 | 12.65 | $3.60 |
| 10 | NRG RESIDENTIAL SOLAR SOLUTIONS | 4 | 0 | 7.11 | $3.43 |
| 11 | SUNCOMMON | 4 | 0 | 8.29 | $3.90 |
| 12 | SUNNOVA ENERGY | 4 | 0 | 8 | $3.19 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 12520 Cornwall On Hudson | 3.4 km | 53 | $4.00 | 48 |
| 12553 New Windsor | 6.4 km | 954 | $4.01 | 53 |
| 12577 Salisbury Mills | 7.8 km | 96 | $3.84 | 49 |
| 10928 Highland Falls | 8.4 km | 105 | $3.76 | 50 |
| 10516 Cold Spring | 9.3 km | 155 | $3.81 | 50 |
| 10930 Highland Mills | 9.7 km | 281 | $3.94 | 50 |
Equipment
What gets installed in 12518
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA40.3%
LG ELECTRONICS8.7%
SUNPOWER8.1%
REC GROUP7.4%
TRINA SOLAR6.0%
Inverters
ENPHASE ENERGY39.3%
SOLAREDGE33.3%
SUNPOWER6.0%
ABB4.7%
SMA AMERICA4.7%
Frequently asked
Quick answers about 12518
How many solar installations are there in 12518?
SolarDNA counts 150 active solar installations in Cornwall 12518, 149 of them residential, with data through August 20, 2026.
How much does solar cost in 12518?
The median residential system in 12518 cost $3.77 per watt over the trailing twelve months, $0.39/W below the New York median.
Is solar growing in 12518?
Recent growth cannot be measured yet for 12518: too few recent installs (data runs through August 20, 2026).
Who installs solar in 12518?
TESLA, PLUGPV, SUNRUN lead the 30 installers with systems in 12518. The full comp set is above.
Is 12518 a good market for solar sales?
12518 scores 50 out of 100 (Great, higher than 88% of U.S. zip markets). With under 500 installations the score is provisional.